問題詳情

I found out that the letter ______ to the wrong address.
(A) had sent  
(B) has been sent  
(C) had been sent  
(D) sent  

參考答案

答案:C
難度:簡單0.75836
統計:A(113),B(170),C(1202),D(98),E(2)

內容推薦

內容推薦